IndexedStack class
A Stack that shows a single child from a list of children.
The displayed child is the one with the given index. The stack is always as big as the largest child.
If value is null, then nothing is displayed.
See also:
- Stack, for more details about stacks.
- The catalog of layout widgets.
- Inheritance
Constructors
-
IndexedStack({Key key, AlignmentGeometry alignment: AlignmentDirectional.topStart, TextDirection textDirection, StackFit sizing: StackFit.loose, int index: 0, List<
Widget> children: const [] }) - Creates a Stack widget that paints a single child. [...]
Properties
- index → int
-
The index of the child to show.
final
- alignment → AlignmentGeometry
-
How to align the non-positioned and partially-positioned children in the
stack. [...]
final, inherited
-
children
→ List<
Widget> -
The widgets below this widget in the tree. [...]
final, inherited
- fit → StackFit
-
How to size the non-positioned children in the stack. [...]
final, inherited
- hashCode → int
-
The hash code for this object. [...]
read-only, inherited
- key → Key
-
Controls how one widget replaces another widget in the tree. [...]
final, inherited
- overflow → Overflow
-
Whether overflowing children should be clipped. See Overflow. [...]
final, inherited
- runtimeType → Type
-
A representation of the runtime type of the object.
read-only, inherited
- textDirection → TextDirection
-
The text direction with which to resolve alignment. [...]
final, inherited
Methods
-
createRenderObject(
BuildContext context) → RenderIndexedStack -
Creates an instance of the RenderObject class that this
RenderObjectWidget represents, using the configuration described by this
RenderObjectWidget. [...]
override
-
updateRenderObject(
BuildContext context, covariant RenderIndexedStack renderObject) → void -
Copies the configuration described by this RenderObjectWidget to the
given RenderObject, which will be of the same type as returned by this
object's createRenderObject. [...]
override
-
createElement(
) → MultiChildRenderObjectElement -
RenderObjectWidgets always inflate to a RenderObjectElement subclass.
inherited
-
debugDescribeChildren(
) → List< DiagnosticsNode> -
Returns a list of DiagnosticsNode objects describing this node's
children. [...]
@protected, inherited
-
debugFillProperties(
DiagnosticPropertiesBuilder properties) → void -
Add additional properties associated with the node. [...]
inherited
-
didUnmountRenderObject(
covariant RenderObject renderObject) → void -
A render object previously associated with this widget has been removed
from the tree. The given RenderObject will be of the same type as
returned by this object's createRenderObject.
@protected, inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a non-existent method or property is accessed. [...]
inherited
-
toDiagnosticsNode(
{String name, DiagnosticsTreeStyle style }) → DiagnosticsNode -
Returns a debug representation of the object that is used by debugging
tools and by toStringDeep. [...]
inherited
-
toString(
{DiagnosticLevel minLevel: DiagnosticLevel.debug }) → String -
Returns a string representation of this object.
inherited
-
toStringDeep(
{String prefixLineOne: '', String prefixOtherLines, DiagnosticLevel minLevel: DiagnosticLevel.debug }) → String -
Returns a string representation of this node and its descendants. [...]
inherited
-
toStringShallow(
{String joiner: ', ', DiagnosticLevel minLevel: DiagnosticLevel.debug }) → String -
Returns a one-line detailed description of the object. [...]
inherited
-
toStringShort(
) → String -
A short, textual description of this widget.
inherited
Operators
-
operator ==(
dynamic other) → bool -
The equality operator. [...]
inherited